You likely think it's stupid, until you know what they are. There is not necessarily anything supernatural in these symbols themseves. They are symbols of parts of your mind. They are made based on the resonance of certain thought patterns with certain frequencies, and using some other rational methods. See that some of these look like circuit diagrams. So when we know more about how the mind works, it may appear that some of these would actually be useful, showing how certain parts of the system are made and how they work.